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发明名称
摘要
申请公布号
JPS4860502(U)
申请公布日期
1973.08.01
申请号
JP19710105535U
申请日期
1971.11.11
申请人
发明人
分类号
G11B3/42;(IPC1-7):G11B3/42
主分类号
G11B3/42
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代理人
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地址
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